WordPress Hooks, Barbs, and Snags

This article is intended to help you learn how to interpret the output from the WordPress Hook Sniffer developer's tool

This article is my exhaustive study of what I thought was a simple little function—the do_action function. It details how WordPress action hooks really work. It is a long, detailed article. If you want to understanding the inner works of the do_action function, then it will be worth your time. Although this article only briefly mentions the apply_filters function, the...